I'm not sure Royce would have ever made it out of Aftermath though.
His work ethic wouldn't have meshed well with Dre. He's too sloppy, too much drinking and bullshit. Dre is a perfectionist. He would have just been a ghostwriter on the payroll.
I do think Royce got fucked in the beef though. They really set him up to look like the attack came from out of nowhere, and I think everyone pretty much hated the dude for a while. I can't help but think it was born out of jealousy to some extent, and that D12 really kind of pumped it up for publicity.
Maybe I'm wrong. If this hadn't happened though, Royce would have fucked it all up on his own one way or the other.